Through the lens: Civil war in Syria

Relatives and mourners of Abdullah Alrayzar, 23, left, and Mohammed Abdul Samee, 35, pray during a funeral for four men, who were killed in a government airstrike in Marea, on the outskirts of Aleppo, Syria, Tuesday, Sept. 11, 2012.

Muhammed Muheisen/ASSOCIATED PRESS

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Relatives and mourners of Abdullah Alrayzar, 23, left, and Mohammed Abdul Samee, 35, pray during a funeral for four men, who were killed in a government airstrike in Marea, on the outskirts of Aleppo, Syria, Tuesday, Sept. 11, 2012.